16
17
Contents
1. Application
17
2. Safety references
17
3. Damage and inadmissible operation
17
4. Safety regulations
17
5. Safety information
18
6. Ex-data
18
7. Technical details
18
8. Functional description / operating instructions
20
9. Repairs
25
10. Cleaning and maintenance
25
11. Guarantee and liability
25
12. Declaration of EC-Conformity
26
13. EC-Type Examination Certificate
27
1. Application
The Ex-Tacho 10 is an explosion protected revolution coun-
ter for the measurement of rotary frequency and speed in
potentially explosive areas ( excluding firedamp endangered
underground mining) of Zones 1 and 2 in accordance with
IEC/CENELEC,
2. Safety references
This operating manual contains information and safety
recommendations, which must be complied with in order to
guarantee safe functioning of the unit under the conditions
described.
Please read these instructions very carefully before using
the unit.
In case of doubt (for example due to mistakes in the transla-
tion), the German operating instructions are valid.
3. Damage and inadmissible operation
Should one suspect that the safety of the equipment is end-
angered, it must be taken out of service and immediately
removed from the explosion-endangered area. Precautions
must be taken to
prevent its unintentional reuse. We recommend that the unit
be re-turned to the manufacturer for checking.
For example, the safe use could be endangered by :
- visible damage to the outside of the housing.
- the unit being subjected to improper strain.
- the unit being improperly stored.
- the unit being damaged in transit.
- the lettering on the unit being unreadable.
- the occurrence of malfunctioning.
- obviously inaccurate readings being displayed.
- no measurements with the unit being possible.
- the permissible limiting values being exceeded.
4. Safety regulations
In order to exclude false operation of the unit, its use assu-
mes that the user is aware of and complies with the usual
safety regulations.
The following safety regulations must be complied with:
- the unit must not be opened within the explosionendange-
ˇˇˇ
red area.
- the batteries may only be changed outside the explosion-
¸¸¸
endangered area.
BAL Ex-Tacho 10-105x235 20.08.2003 15:21 Uhr Seite 16
